# Final NTSB investigations: Sys/Comp malf/fail (non-power)

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

Page 1 of 12 · 571 cases

## Latest cases

- [NTSB WPR26LA203](https://openairdocs.org/ntsb/WPR26LA203.md): Pzl-Swidnik PW-5 · Soap Lake, WA · Accident · No injuries · Class 4 · Limited · Final report · May 23, 2026 · N157AJ · Substantial damage
  > The pilot’s failure to ensure the proper preflight assembly of the glider's wing attachment system, which resulted in substantial damage to the wing structure during flight.
- [NTSB ERA26LA189](https://openairdocs.org/ntsb/ERA26LA189.md): Piper PA-34-220T · Kissimmee, FL · Accident · No injuries · Class 4 · Limited · Final report · Apr 24, 2026 · N6XT · Substantial damage
  > Fracture of the left main landing gear trunnion during landing, which resulted in a loss of directional control during landing and subsequent runway excursion.
- [NTSB CEN26LA166](https://openairdocs.org/ntsb/CEN26LA166.md): Diamond Aircraft Ind DA 42 NG · Colorado Springs, CO · Accident · No injuries · Class 4 · Limited · Final report · Apr 9, 2026 · N311LH · Substantial damage
  > Maintenance personnel's installation of an oversized tire, which prevented the left main landing gear from extending resulting in a precautionary gear up landing.
- [NTSB CEN26LA163](https://openairdocs.org/ntsb/CEN26LA163.md): Textron T206H · Wichita, KS · Accident · No injuries · Class 4 · Limited · Final report · Apr 3, 2026 · N411CV · Substantial damage
  > The flight crew’s failure to ensure that the rear cargo door was properly latched before flight.
- [NTSB ANC26LA022](https://openairdocs.org/ntsb/ANC26LA022.md): Cessna A185F · Skwentna, AK · Accident · No injuries · Class 4 · Limited · Final report · Mar 28, 2026 · N94237 · Substantial damage
  > The pilot’s loss of directional control during landing roll due to contact with wind hardened snow berm and subsequent failure of main landing gear.
- [NTSB ERA26LA113](https://openairdocs.org/ntsb/ERA26LA113.md): Cessna 320C · Bartow, FL · Accident · No injuries · Class 4 · Limited · Final report · Feb 9, 2026 · N3034T · Substantial damage
  > Maintenance personnel’s failure to perform an adequate inspection of the airplane’s landing gear, which resulted in a collapse of the left main landing gear during landing.
- [NTSB CEN26LA105](https://openairdocs.org/ntsb/CEN26LA105.md): Cessna 441 · Pflugerville, TX · Accident · Minor injuries · Class 4 · Limited · Final report · Jan 31, 2026 · N441EC · Substantial damage
  > The pilot’s failure to maintain airplane control during a rejected takeoff due to a flat nose wheel tire which resulted in a runway excursion and impact with terrain. Contributing to the accident was pilot fatigue which delayed the rejected takeoff.
- [NTSB WPR26LA075](https://openairdocs.org/ntsb/WPR26LA075.md): Maule M-5-235C · Jay Em, WY · Accident · No injuries · Class 4 · Limited · Final report · Jan 1, 2026 · N56500 · Substantial damage
  > The loss of directional control and subsequent nose over due to the inadvertent engagement of the right wheel parking brake as a result of cabin floor carpeting migrating between the right brake master cylinder and parking brake locking lever.
- [NTSB ERA26LA043](https://openairdocs.org/ntsb/ERA26LA043.md): Beech 95-B55 · Dothan, AL · Accident · No injuries · Class 4 · Limited · Final report · Nov 14, 2025 · N711FA · Substantial damage
  > The failure of the left main landing gear actuator rods, which resulted in a gear up landing.
- [NTSB ERA26LA028](https://openairdocs.org/ntsb/ERA26LA028.md): Consolidated Vultee 28-5ACF · Dayton, TN · Accident · No injuries · Class 4 · Limited · Final report · Oct 31, 2025 · N222FT · Substantial damage
  > The collapse of the left main landing gear due to the fatigue fracture of the lower landing gear actuator bolt.
- [NTSB CEN25LA398](https://openairdocs.org/ntsb/CEN25LA398.md): Piper PA-60-601P · Del Norte, CO · Accident · No injuries · Class 4 · Limited · Final report · Sep 27, 2025 · N3635A · Substantial damage
  > The loss of directional control during landing roll due to a flat tire.
- [NTSB CEN25LA392](https://openairdocs.org/ntsb/CEN25LA392.md): Diamond DA20-C1 · Terre Haute, IN · Accident · No injuries · Class 4 · Limited · Final report · Sep 19, 2025 · N544KC · Substantial damage
  > The failure of the nose landing gear strut and associated nosewheel separation during takeoff.
- [NTSB ERA25LA337](https://openairdocs.org/ntsb/ERA25LA337.md): Larocca Roch B Eracer MK II · Mount Pleasant, SC · Accident · No injuries · Class 4 · Limited · Final report · Sep 5, 2025 · N382RB · Substantial damage
  > The failure of the nose gear actuator bolt during the landing roll, which resulted in the collapse of the nose landing gear and subsequent runway excursion.
- [NTSB WPR25LA300](https://openairdocs.org/ntsb/WPR25LA300.md): Aeronca 7AC · Firebaugh, CA · Accident · No injuries · Class 4 · Limited · Final report · Sep 1, 2025 · N82003 · Substantial damage
  > A loss of directional control during landing due to the partial separation of the right main landing gear oleo strut from a failed weld.
- [NTSB ERA25LA339](https://openairdocs.org/ntsb/ERA25LA339.md): Cirrus Design SR20 · Charleston, WV · Accident · No injuries · Class 4 · Limited · Final report · Aug 24, 2025 · N241MU · Substantial damage
  > A flat left main landing gear tire, which resulted in a loss of directional control and runway excursion during landing.
- [NTSB CEN25LA333](https://openairdocs.org/ntsb/CEN25LA333.md): Parks Fokker D-VII Replica · Englewood, CO · Accident · No injuries · Class 4 · Limited · Final report · Aug 22, 2025 · N18852 · Substantial damage
  > A malfunction of the tailwheel which resulted in a runway excursion and ground loop.
- [NTSB DCA25LA275](https://openairdocs.org/ntsb/DCA25LA275.md): Boeing 737-8 · Denver, CO · Accident · No injuries · Class 4 · Limited · Final report · Jul 26, 2025 · N306SW · Substantial damage
  > The failure of the airplane’s left main landing gear tires and wheels during the takeoff roll due to the thermal relief plugs melting and releasing tire pressure, which resulted in abnormal airplane handling characteristics and led the flight crew to reject…
- [NTSB CEN25LA287](https://openairdocs.org/ntsb/CEN25LA287.md): Aerotek Pitts S-2A · New Holstein, WI · Accident · No injuries · Class 4 · Limited · Final report · Jul 26, 2025 · N83PS · Substantial damage
  > The pilot’s loss of direction control during landing due to an unapproved tailwheel assembly and tail spring that resulted in a tailwheel shimmy and a subsequent ground loop.
- [NTSB ANC25LA076](https://openairdocs.org/ntsb/ANC25LA076.md): Cessna 180H · Gulkana, AK · Accident · No injuries · Class 4 · Limited · Final report · Jul 17, 2025 · N91393 · Substantial damage
  > The failure of the left rudder assembly which resulted in a runway excursion and ground loop.
- [NTSB ANC25LA059](https://openairdocs.org/ntsb/ANC25LA059.md): Cessna 170B · Denali Park, AK · Accident · No injuries · Class 4 · Limited · Final report · Jun 25, 2025 · N2655D · Substantial damage
  > The failure of the left main landing gear spring due to a fatigue fracture during landing on uneven terrain.
- [NTSB ERA25LA223](https://openairdocs.org/ntsb/ERA25LA223.md): Piper PA22 · Hebron, OH · Accident · No injuries · Class 4 · Limited · Final report · Jun 7, 2025 · N6804B · Substantial damage
  > The airplane owner and pilot’s intentional allowance of unapproved maintenance and maintenance personnel’s failure to adequately maintain or service the brake system, which resulted in a total loss of brake pressure.
- [NTSB CEN25LA174](https://openairdocs.org/ntsb/CEN25LA174.md): Piper PA-44-180 · Saint James, MN · Accident · No injuries · Class 4 · Limited · Final report · May 10, 2025 · N453MK · Substantial damage
  > The failure of the left main landing gear tire casing and tube due to excessive wear which resulted in a loss of directional control during the landing.
- [NTSB WPR25LA178](https://openairdocs.org/ntsb/WPR25LA178.md): Piper PA-28R-200 · Vancouver, WA · Accident · No injuries · Class 4 · Limited · Final report · Apr 4, 2025 · N9404N · Substantial damage
  > A failure of the brake system during landing due to a hydraulic fluid leak, which resulted in a runway excursion.
- [NTSB WPR25LA122](https://openairdocs.org/ntsb/WPR25LA122.md): Beech C90A · Helena, MT · Accident · No injuries · Class 3 · Limited · Final report · Mar 16, 2025 · N513JM · Substantial damage
  > The failure of the left main landing gear to fully extend and lock as a result of broken downlock switch wires and the failure of the pilots to complete the manual gear extension checklist.
- [NTSB ANC25LA030](https://openairdocs.org/ntsb/ANC25LA030.md): Cessna A185F · Skwentna, AK · Accident · No injuries · Class 3 · Limited · Final report · Mar 7, 2025 · N1718R · Substantial damage
  > Maintenance personnel’s reuse of worn hardware during the installation of the landing gear assembly and the hardware’s failure and subsequent separation of the gear leg from the landing gear box assembly during taxi.
- [NTSB ANC25LA021](https://openairdocs.org/ntsb/ANC25LA021.md): Gippsland GA-8 · Lihue, HI · Accident · Minor injuries · Class 3 · Limited · Final report · Feb 28, 2025 · N699AV · Substantial damage
  > The failure of the right landing gear leg due to a fatigue crack, which resulted in its separation from the airplane during taxi. Contributing to the accident, was the mechanic’s inadequate inspection of the landing gear leg during the last maintenance…
- [NTSB WPR25LA102](https://openairdocs.org/ntsb/WPR25LA102.md): Cessna 172S · La Verne, CA · Accident · No injuries · Class 3 · Limited · Final report · Feb 23, 2025 · N137RJ · Substantial damage
  > The failure of the right main landing gear tubular spring due to a fatigue crack that originated at the airframe connecting bolt hole and progressed to an overstress fracture.
- [NTSB CEN25LA083](https://openairdocs.org/ntsb/CEN25LA083.md): Raytheon Hawker 800XP · Minneapolis, MN · Accident · No injuries · Class 4 · Limited · Final report · Jan 20, 2025 · N6NR · Substantial damage
  > The failure of the nose landing gear to extend for undetermined reasons.
- [NTSB ERA25LA100](https://openairdocs.org/ntsb/ERA25LA100.md): Consolidated Aeronautics Lake LA-4-200 · Orange, MA · Accident · No injuries · Class 4 · Limited · Final report · Jan 12, 2025 · N8BZ · Substantial damage
  > Failure of the left main landing gear to fully extend and lock for undetermined reasons as a functional test of the landing gear system could not duplicate the anomaly.
- [NTSB ERA25LA096](https://openairdocs.org/ntsb/ERA25LA096.md): Piper PA-44-180 · Pompano Beach, FL · Accident · No injuries · Class 4 · Limited · Final report · Jan 10, 2025 · N555HF · Substantial damage
  > The separation of the securing hardware for the right main landing gear upper and lower torque links for undetermined reasons, which prevented extension of the right main landing gear.
- [NTSB ERA25LA091](https://openairdocs.org/ntsb/ERA25LA091.md): Helio HT-295 · Marion, OH · Accident · No injuries · Class 3 · Limited · Final report · Jan 5, 2025 · N18JC · Substantial damage
  > The failure of the right main landing gear spring due to intergranular stress-corrosion cracking that progressed into fatigue. Contributing to the accident was the improper rework of the spring at an undetermined time.
- [NTSB WPR25LA059](https://openairdocs.org/ntsb/WPR25LA059.md): Boeing A75N1(PT17) · El Cajon, CA · Accident · No injuries · Class 4 · Limited · Final report · Dec 8, 2024 · N9199R · Substantial damage
  > The pilot’s inability to maintain directional control during landing with a flat tire.
- [NTSB ANC25LA009](https://openairdocs.org/ntsb/ANC25LA009.md): Cessna 180 · Egegik, AK · Accident · No injuries · Class 3 · Limited · Final report · Nov 29, 2024 · N9140R · Substantial damage
  > A failure of the right main landing gear leg for reasons that could not be determined.
- [NTSB ERA25LA068](https://openairdocs.org/ntsb/ERA25LA068.md): Diamond Aircraft Ind DA 42 NG · Daytona Beach, FL · Accident · No injuries · Class 4 · Limited · Final report · Nov 15, 2024 · N508PA · Substantial damage
  > The maintenance technician’s failure to follow the manufacturer’s recommended procedures during a wheel and tire change to ensure proper clearance of the tire to the wheel well resulting in the right main wheel becoming stuck in the well and subsequent…
- [NTSB CEN25LA013](https://openairdocs.org/ntsb/CEN25LA013.md): Rotorway Exec · Plymouth, IN · Accident · Minor injuries · Class 3 · Limited · Final report · Oct 11, 2024 · N314AC · Substantial damage
  > A loss of control due to the failed forward tail rotor belt as a result of the owner’s failure to follow the helicopter manufacturer’s tail rotor belt replacement recommendations.
- [NTSB CEN25LA007](https://openairdocs.org/ntsb/CEN25LA007.md): Mooney M20E · Richmond, TX · Accident · No injuries · Class 3 · Limited · Final report · Oct 8, 2024 · N9151V · Substantial damage
  > The partial separation of a portion of the propeller spinner and its mounting bulkhead along with the upper cowl fairing while in a full-power climb.
- [NTSB CEN25LA002](https://openairdocs.org/ntsb/CEN25LA002.md): Air Tractor AT-402A · Moffett, OK · Accident · No injuries · Class 4 · Limited · Final report · Oct 1, 2024 · N45472 · Substantial damage
  > The tail wheel assembly’s fractured bolt which resulted in the pilot’s loss of directional control during landing.
- [NTSB WPR24LA319](https://openairdocs.org/ntsb/WPR24LA319.md): Bell 206L · Fern Prairie, WA · Accident · No injuries · Class 3 · Limited · Final report · Sep 26, 2024 · N9984K · Substantial damage
  > An aeroelastic interaction between the helicopter’s main rotor blades and nodal beam system, which resulted in oscillations that exceeded the design limits of the tailboom. Contributing to the accident was the failure of the main rotor blade manufacturer to…
- [NTSB ERA24LA385](https://openairdocs.org/ntsb/ERA24LA385.md): Cessna 195 · Dyersburg, TN · Accident · No injuries · Class 4 · Limited · Final report · Sep 18, 2024 · N195KW · Substantial damage
  > Failure of the tailwheel strut, which resulted in a loss of directional control during landing roll and a runway excursion.
- [NTSB ERA24LA386](https://openairdocs.org/ntsb/ERA24LA386.md): Cessna 402 · Boston, MA · Accident · No injuries · Class 3 · Limited · Final report · Sep 17, 2024 · N18VV · Substantial damage
  > The failure of a solid hydraulic fluid line, which resulted in a loss of hydraulic fluid that prevented the landing gear extension process from completing normally. Contributing to the outcome was the pilot’s failure to fully activate the emergency landing…
- [NTSB CEN24LA358](https://openairdocs.org/ntsb/CEN24LA358.md): Hughes 369 · Canton, MI · Accident · No injuries · Class 3 · Limited · Final report · Sep 11, 2024 · N8969F · Substantial damage
  > Fatigue cracking of the main rotor blade that occurred at an undetermined time.
- [NTSB CEN24LA342](https://openairdocs.org/ntsb/CEN24LA342.md): Piper PA-28R · Crystal, MN · Accident · No injuries · Class 3 · Limited · Final report · Sep 5, 2024 · N4081S · Substantial damage
  > The failure of the engine mount under normal operating loads due to the fracture of a vertical tube that was weakened by corrosion and fatigue of the internal surfaces.
- [NTSB CEN24LA337](https://openairdocs.org/ntsb/CEN24LA337.md): Piper PA-28-140 · East Troy, WI · Accident · No injuries · Class 3 · Limited · Final report · Sep 2, 2024 · N32435 · Substantial damage
  > The pilot/mechanic’s improper torquing of the fuel hose fitting while replacing the fuel pump, which allowed air to enter the fuel system and resulted in a loss of engine power during initial climb. Contributing to the accident was the pilot/mechanic’s…
- [NTSB ANC24LA077](https://openairdocs.org/ntsb/ANC24LA077.md): Robinson R44 · Honolulu, HI · Accident · No injuries · Class 3 · Limited · Final report · Aug 19, 2024 · N740RH · Substantial damage
  > A failure of the flex plate yoke flange assembly due to incorrectly torqued bolts. Contributing was the maintenance personnel’s inadequate inspection of the tail rotor flex plate assembly.
- [NTSB WPR24LA275](https://openairdocs.org/ntsb/WPR24LA275.md): Piper PA-30 · Concord, CA · Accident · No injuries · Class 3 · Limited · Final report · Aug 9, 2024 · N8458Y · Substantial damage
  > The failure of the main landing gear to extend and lock for reasons that could not be determined based on the available information. Contributing to the accident was a mechanical failure of the manual landing gear release mechanism due to inadequate clearance…
- [NTSB ERA24LA331](https://openairdocs.org/ntsb/ERA24LA331.md): Aero Commander 200 · Valdosta, GA · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 26, 2024 · N326WR · Substantial damage
  > An insect nest in the right main fuel tank’s vent line, which resulted in an inaccurate fuel level reading, fuel starvation, and a total loss of engine power.
- [NTSB CEN24LA271](https://openairdocs.org/ntsb/CEN24LA271.md): Mcdonnell Douglas Helicopter 600N · Eagle Lake, TX · Accident · Serious injuries · Class 3 · Limited · Final report · Jul 16, 2024 · N609RP · Destroyed
  > The operator’s improper installation of the fuel system, which resulted in fuel starvation, a loss of engine power, and impact with terrain.
- [NTSB CEN24LA268](https://openairdocs.org/ntsb/CEN24LA268.md): Piper PA-28-181 · Arcola, TX · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 16, 2024 · N1941V · Substantial damage
  > Loss of engine power due to fuel starvation as a result of the mechanic’s failure to properly secure the fuel system gascolator strainer bowl following an annual inspection.
- [NTSB CEN24LA261](https://openairdocs.org/ntsb/CEN24LA261.md): Air Tractor AT602 · Decatur, IL · Accident · No injuries · Class 4 · Limited · Final report · Jul 12, 2024 · N528JC · Substantial damage
  > The pilot’s inability to maintain directional control during the landing roll due to the malfunction of the tail wheel locking mechanism.
- [NTSB CEN24LA315](https://openairdocs.org/ntsb/CEN24LA315.md): Grumman American Avn. AA-5B · Camdenton, MO · Accident · No injuries · Class 3 · Limited · Final report · Jul 11, 2024 · N23JK · Substantial damage
  > The inadequate maintenance of the seat locking mechanism, which resulted in the pilot’s seat sliding back during takeoff and a subsequent loss of control.

Next page: https://openairdocs.org/ntsb-events/330/cases.md?status=final&page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."completionStatus" = 'Completed'
  AND c."mKey" IN (SELECT e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e."isDefiningEvent" AND e."tier2Number" = '330')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/330/cases?status=final

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